The drop forging plant, by E.H. McClintock.--Drop and stamped forgings, by J. Horner--Making drop forging dies, by C.W. Shelly.--Drop forging dies in an automobile shop, by E. Viall.--Foundations for drop hammers
Copyright-evidenceEvidence reported by ian white for item dropforging00mcclrich on February 2, 2007: visible notice of copyright; stated date is 1910.